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Subjects
- Water Supply -- economics[remove]18
- Sanitary Engineering -- economics14
- New York City11
- Water Supply4
- Water Supply -- legislation & jurisprudence3
- City Planning2
- Massachusetts2
- Organization and Administration2
- Sanitary Engineering2
- Sanitary Engineering -- legislation & jurisprudence2
- Architecture1
- Connecticut1
- Costs and Cost Analysis1
- Drinking Water1
- Facility Design and Construction1
- Indiana1
- Missouri1
- New York (N.Y.). Croton Aqueduct Committee1
- New York (N.Y.). Croton Aqueduct Department1
- New York (N.Y.). Water Commissioners1